Following this up:
> Using Gtk 3.22.11 under Debian stable I get a different keymap than
> the
> one the application was launched with on calling
>
> gdk_keymap_get_for_display(gdk_display_get_default ())
>
> This shows up when there are two keymaps available and I select the
> alternative one for a terminal, launch the application and then use
>
> gdk_keymap_translate_keyboard_state ()
>
> what happens is that it is *not* translated using the keymap that was
> used to launch the application (and which shows up in GtkEntry etc
> widgets). Instead it is translated using the "default" keymap for the
> Desktop.
> This lead me to look at the documentation and I see that there is
> nothing to suggest you can access the GdkKeymap that the GtkWidgets
> are
> using - indeed there is nothing to suggest you can create a GdkKeymap
> other than getting this "default for display" keymap.
>
> Is there something I've missed here?
>
> Richard Shann
I've created a minimal example of the problem:
//gcc -Wall KeyMap-test.c -o KeyMapTest `pkg-config --cflags --libs gtk+-3.0`
//Tested on debian stable and GTK3.22.18
#include
static void callback (GtkWidget * widget, GdkEventKey * event)
{
guint keyval;
g_print ("key press event: keyval %d (%s)\n", event->keyval,
gdk_keyval_name(event->keyval));
gdk_keymap_translate_keyboard_state (gdk_keymap_get_default (),
event->hardware_keycode,0,0, , NULL, NULL, NULL);
g_print ("After keymap translate keyval %d (%s)\n", keyval,
gdk_keyval_name(keyval));
}
int main(int argc, char **argv)
{
gtk_init(, );
GtkWidget *top_window=gtk_window_new(GTK_WINDOW_TOPLEVEL);
g_signal_connect (top_window, "destroy", G_CALLBACK(gtk_main_quit), NULL);
g_signal_connect (G_OBJECT(top_window), "key-press-event", G_CALLBACK
(callback), NULL);
gtk_widget_show_all (top_window);
gtk_main();
return 0;
}
The output on setting a US keyboard in the terminal with a UK keyboard
as the desktop default and pressing the key code 51
rshann@debian:~$ ./KeyMapTest
key press event: keyval 92 (backslash)
After keymap translate keyval 35 (numbersign)
The US key map is used for the GtkWindow widget to provide the keyval
92 but then the UK keymap is used for the call to
gdk_keymap_translate_keyboard_state() giving the keyval 35
Is this a bug in Gtk 3.22?
Richard
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